crisfusecrawalla crisfusecrawalla

02-03-2017
Mathematics

contestada

X - Y = 11
2x + Y = 19

where do the lines cross

Respuesta :

wolf1728 wolf1728

02-03-2017

Just solve the equations:
A) X - Y = 11
B) 2x + Y = 19
Multiply A) by -2

A) -2X +2Y = -22 then add to B)
B) 2x + Y = 19
3Y = -3
Y=-1

A) X - -1 = 11
x = 10

Answer Link

Otras preguntas

Rhonda is 22 years old and would like to invest $2;000 into a U.S, Treasury Note earning 5.5% interest. How many times will Rhonda's investment double before sh

BRAINLIEST!!!!!!!!!!!!!!!!In the diagram, L is the midpoint of KM. Find the length of KL.A) 13B) 15C) 17D) 19

Help please…………………,,,,,

It costs $12 a person to enter the state fair. In 2 hours there were 300 cars parked in the parking lot and 396 people who entered the fair. How much money was

In transduction, the cochlea is part of this structure: and the retina is part of this structure:

as a bystander, which approach may not work when the person you’re trying to stop is likely to become defensive or hostile?

After about 10 minutes, she peeled off the alginate slowly and carefully. It was fragile -bendable and easy to tear - but it made an excellent impression of her

You randomly draw a marble out of a bag that contains 20 total marbles. 12 of the marbles in the bag are blue. What isP(draw a blue marble)

Describe briefly the subdivision of sociology.

А A B D If m ABC = 25°, and m2CBD = 35°, then mzABD = [? ]°